I normally use LRP in mt Peugeot 205 1.6 GTI (1989: XU5JA) This petrol is getting harder to obtain. Can I run on unleaded (say 95 octane) without modification. If not what is the best course of action. I tend not to drive on motorways or tow.
I don't understand how retarding the ignition can protect the valve guides. If they are soft, then they are soft. I can see how adding an additive would protect them, but then I wouldn't need to retard the ignition, and possibly effect the performance of the car.
Some mechanics that I have spoken to tell me that I can just use 95 without adjustment. I expect they mean that I should drive a bit more carefully (keep the speed down and avaid motorways).
If I can get acces to LRP what about filling the tank with 95, then on every third fill use LRP?
I am a bit confused about the best course of action. While I can get LRP I'll continue to use it, despite its higher price.
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